//
//  Person.h
//  relevanceKVO
//
//  Created by ZhangSai on 2021/8/20.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface Person : NSObject

@property (nonatomic, copy) NSString *downloadProgress;
@property (nonatomic, assign,readonly) double writtenData;
@property (nonatomic, assign) double totalData;

@end

NS_ASSUME_NONNULL_END
